Nonglare headlight



jg n 11" c. F. LANDAHL ET AL NomLAnE YHEADLIGH'? Filed Nov. 19. 1921{Sheets-Sheet 1 Q. F, LANDAHL ET A! NONGLARE HEADLIGHT 2, Sheta-$hee t 2Filed Nov. is, 1921 C: I- I, L n

reamed June 10, 1924.

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CLYDE F. LANDAHL AND CARLOS H. LANDA HL, OF YOUNGSTOWN, OHIO.

NONGLARE HEADLIGHT.

Application filed November 19, 1921. Serial. No. 516,414.

7 '0 all whom 52- mm concern:

Be it known that we, CLYDE F. LANDAHL and CARLOS H. LANDAHL, citizens ofthe l nitcd States, residing at Youngstown, in the county of lllahoningand State of Ohio, have im'cnted certain new and useful Improvements inNonglare Headlights; and we do hereby declare the following to be afull, clear, and exact description of the same, reference being had tothe accompanying drawings,-forming part of this specification.

This invention relates to a headlight for use on automobiles and has forits particular object.- the provision of a simple and efiicient deviceof that character that will prevent the objectionable glare usual inordinary headlights which lare extends above the roadbed thus blindingthe driver of an approaching machine.

In the drawings,-

Figure 1 is a front elevation of a preferred form of the device.

Fig. 2 is a horizontal section taken just above the level of theelectric bulb an socket. I

Fig. 3 is a vertical section taken just inside of the lens or pane.

Fig. 4 is a central vertical section taken at right angles to the planeof the front lens.

The outer casing 10 is about five-eighths.

' the lower three eighths of the ordinary headlight. The casing isrovided with the usual sockets 12 for attac ment to the posts of thelamp support of the automobile and has a lamp socket 13 at about thecenter of the arc of the front of the casing.

A normally vertical cover 15 is hinged to the casing as at 16 and isheld in place on the casing by a spring pressedbolt 17- fitting within abayonet slot in the rim 19 of the cover 15. The reflector 20 is similarin shape to the casing 10 and has a silvered parabolic reflectingsurface 21. and a flat non-reflecting bottom surface 22 slightlyindented as at 23 to permit the use of a large size electric bulb whenso desired.

green paint, if found necessary, to overcome the efl'ect of the curvingof the reflecting surface of the reflector wall as it merges with thecasing-engaging flange 33, but if this junction is ma e sharp there willbe no need for the stripe 32 of non-reflecting paint.

To assemble the device the reflector 20 is placed in the casing andpushed rearwardly against the tension of the springs 27, the rear of thereflector engaging the ring 26. The flange 33 of the reflector isprovided with notches 35 which permit the passage of small lugs 36 onthe casing when the reflector is shifted with respect to the casing andwhich engage the flange of the casing when the bottom of the reflectoris parallel with the bottom of the casing.

The bulb 31 is now inserted and the cover closed by pulling the knob 37against the force of the spring 38 until the stem 39 enters the shortpassage of the bayonet slot. Further closing of the cover will now causethe stem 39 to be forced into position by -means of the spring 38, thusavoiding the usual pushing and twisting often necessary to get the rimlooked on the casing, such pushing and twisting frequently resulting inthe breaking of the pane or lens. It is preferable to have the lamps 0rbulbs 31 of each of the two headlights connected in parallel for runningand so arranged that they may be thrown in series when the car isstanding, thus dimming the lights in case a parking light is not used.What we claim is:

In an automobile headlight, a casing having an uppencurved portion, ahorizontal bottom, and an open front face, a reflector within saidcasing and spaced therefrom at top, bottom and rear, a lamp socket onsaid casing and projecting tllru said reflector, a ring surroundingloosely said socket and engaging said reflector, a plurality of supportslocated on said casing forwardly of said socket, a frame-like frontcover to said casing, is pane of glass Within said cover, and aspiringconnecting each support with said ring whereby the reflector isyieldingly held 10 against said pane, and eliminating rattling.

CLYDE 1F. LANDAHL. GARLOS H. LANDAHL.

